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Q1. Tea worth Rs. 126 per Kg and Rs. 135 per Kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Rs. 153 per Kg, then the price of the third variety per Kg is

Rs. 169.50

Rs. 170

Rs. 175.50

Rs. 180

Accepted Answer

Answer : Rs. 175.50

Let the third type of tea is priced at Rs. x per Kg .

Also , suppose that the three types of tea mixed together are 1, 1 and 2 Kg respectively.

Now,

	126×1 + 135×1 + 2x	= 153
	1 + 1 + 2

	261 + 2x	= 153
	4

⇒ 261 + 2x = 612
x = 351/2 = Rs. 175.50 per Kg

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